Cristi Potlog's Chart Control for .NET

#region Copyright �2005, Cristi Potlog - All Rights Reserved
/* -------------------------------------------------------------- *
 *      Copyright �2005, Cristi Potlog - All Rights reserved      *
 *                                                                *
 * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY *
 * OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT    *
 * LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR    *
 * FITNESS FOR A PARTICULAR PURPOSE.                              *
 *                                                                *
 * THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE.       *
 * -------------------------------------------------------------- */
#endregion Copyright �2005, Cristi Potlog - All Rights Reserved

#region References
using System;
using System.ComponentModel;
using System.Windows.Forms;
#endregion

namespace CristiPotlog.ChartControl
{
	/// <summary>
	/// Represents the setting for the values axis scale of the chart control.
	/// </summary>
	[TypeConverter(typeof(ExpandableObjectConverter))]
	public class ChartValueScaleSettings
	{
		#region Consts
		private const int defaultMinimum = 0;
		private const int defaultMaximum = 100;
		private const int defaultMajorUnit = 20;
		private const int defaultMinorUnit = 5;
		private const bool defaultAutoScale = true;
		#endregion

		#region Fields
		private int minimum = ChartValueScaleSettings.defaultMinimum;
		private int maximum = ChartValueScaleSettings.defaultMaximum;
		private int majorUnit = ChartValueScaleSettings.defaultMajorUnit;
		private int minorUnit = ChartValueScaleSettings.defaultMinorUnit;
		private bool autoScale = ChartValueScaleSettings.defaultAutoScale;
		private Control owner = null;
		#endregion

		#region Constructor
		/// <summary>
		/// Creates a new instance of class ChartValueScaleSettings.
		/// </summary>
		/// <param name="owner">A Control object representing the owner chart.</param>
		internal ChartValueScaleSettings(Control owner)
		{
			this.owner = owner;
		}
		#endregion

		#region Properties
		/// <summary>
		/// Gets/sets a value representing the minimum value of the scale.
		/// </summary>
		[DefaultValue(ChartValueScaleSettings.defaultMinimum)]
		[Description("Gets/sets a value representing the minimum value of the scale.")]
		public int Minimum
		{
			get
			{
				return this.minimum;
			}
			set
			{
				if (this.minimum != value)
				{
					this.minimum = value;
					this.owner.Invalidate();
				}
			}
		}

		/// <summary>
		/// Gets/sets a value representing the maximun value of the scale.
		/// </summary>
		[DefaultValue(ChartValueScaleSettings.defaultMaximum)]
		[Description("Gets/sets a value representing the maximun value of the scale.")]
		public int Maximum
		{
			get
			{
				return this.maximum;
			}
			set
			{
				if (this.maximum != value)
				{
					this.maximum = value;
					this.owner.Invalidate();
				}
			}
		}

		/// <summary>
		/// Gets/sets a value representing the major unit value of the scale.
		/// </summary>
		[DefaultValue(ChartValueScaleSettings.defaultMajorUnit)]
		[Description("Gets/sets a value representing the major unit value of the scale.")]
		public int MajorUnit
		{
			get
			{
				return this.majorUnit;
			}
			set
			{
				if (this.majorUnit != value)
				{
					this.majorUnit = value;
					this.owner.Invalidate();
				}
			}
		}

		/// <summary>
		/// Gets/sets a value representing the minor unit value of the scale.
		/// </summary>
		[DefaultValue(ChartValueScaleSettings.defaultMinorUnit)]
		[Description("Gets/sets a value representing the minor unit value of the scale.")]
		public int MinorUnit
		{
			get
			{
				return this.minorUnit;
			}
			set
			{
				if (this.minorUnit != value)
				{
					this.minorUnit = value;
					this.owner.Invalidate();
				}
			}
		}

		/// <summary>
		/// Gets/sets a value representing whether scale parameters are determined automaticaly or not.
		/// </summary>
		[DefaultValue(ChartValueScaleSettings.defaultAutoScale)]
		[Description("Gets/sets a value representing whether scale parameters are determined automaticaly or not.")]
		public bool AutoScale
		{
			get
			{
				return this.autoScale;
			}
			set
			{
				if (this.autoScale != value)
				{
					this.autoScale = value;
					this.owner.Invalidate();
				}
			}
		}
		#endregion

		#region Methods
		/// <summary>
		/// Returns a string that represents the current object.  
		/// </summary>
		/// <returns>A string that represents the current object.</returns>
		public override string ToString()
		{
			return "(" + this.GetType().Name + ")";
		}
		#endregion
	}
}